Wiktionary
alt. (context archaic English) An identify marking, usually in coded form and handwritten in indelible ink on an inconspicuous area of a garment, widely used until the mid-20th century as an organize aid by merchants who cleaned and pressed clothing. n. (context archaic English) An identify marking, usually in coded form and handwritten in indelible ink on an inconspicuous area of a garment, widely used until the mid-20th century as an organize aid by merchants who cleaned and pressed clothing.
Usage examples of "laundry mark".
Catherine Baker Martin, laundry mark C-B-M, had a lot of clothes and some of them were very good.
West, here, see for yourself his laundry mark, and ascertain beyond any question if he has ever, or any member of his family has ever, used violet perfume.
But on one of her petticoats, police noticed the laundry mark of the Lambeth Workhouse.
Morse was given the handkerchief and told to track down the laundry mark.